Double-rod caulking gun

Abstract

The utility model relates to the field of caulking guns, and discloses a double-rod caulking gun, which comprises a handle, a trigger, a rubber sleeve seat and two push rods arranged in the rubber sleeve seat in parallel, and a push part for driving the two push rods to move forwards synchronously when the trigger is pulled is arranged between the push rods and the trigger. A supporting structure used for limiting the trigger to rotate in the direction close to the handle is arranged between the handle and the trigger. The supporting structure comprises a supporting frame arranged on the trigger in a sliding mode, an inserting groove formed in the handle and used for allowing the supporting frame to be inserted, and a limiting component used for limiting the supporting frame to move on the trigger when the supporting frame is inserted into the inserting groove and the end of the supporting frame abuts against the bottom of the inserting groove. When the supporting frame is inserted into the inserting groove and the limiting part limits the supporting frame to slide on the trigger, the supporting frame is supported between the trigger and the handle, the trigger is limited to pull towards the handle, the situation that when the caulking gun is not used, glue in a glue barrel placed in the glue barrel base is squeezed out due to the fact that the trigger is touched by mistake is prevented, and therefore waste of the glue is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of glue gun, especially a double -barrelled glue gun with anti -touch structure. BACKGROUND

[0002] The Chinese patent with the publication number CN208131410U discloses a force balanced glue gun, which comprises a rubber tube seat, a handle and a glue gun handle, a Europe push rod is arranged in the rubber tube seat, a piston push piece is arranged on the top of the push rod, a power device is connected to the glue gun handle, the power device is connected with the push rod, a booster spring is arranged at the connecting position of the push rod and the power device, a push rod bottom cap is arranged at one end of the push rod, and a pull-back button is arranged below the push rod and above the handle.

[0003] The above structure drives the power device through the glue gun handle, the force of the power device acts on the push rod at the same time, the two push rods are uniformly stressed, so that the different consumptions caused by uneven stress of the glue bottle are prevented, and the booster spring arranged on the push rod can make the push rod more stable during pushing, but when the glue gun is used, the glue bottle is still stored in the rubber tube seat, if the glue gun handle is touched by mistake at this time, the glue will flow out of the glue bottle, thereby causing waste. UTILITY MODEL CONTENTS

[0004] The utility model discloses to the glue gun of prior art is used, the glue bottle still can be stored in the rubber tube seat, if the glue gun handle is touched by mistake at this time, the glue will flow out of the glue bottle, thereby causing waste's shortcoming, provide a double -barrelled glue gun with anti -touch structure.

[0005] In order to solve the above technical problem, the utility model solves through the following technical scheme:

[0006] A double -barrelled glue gun, including handle, trigger, glue cylinder seat and two parallelly arranged push rods in the glue cylinder seat, the push rod and the trigger are provided with the push component that when the trigger is pulled, the two push rods are driven to advance synchronously, the support structure for limiting the trigger to rotate to the direction close to the handle is arranged between the handle and the trigger, the support structure includes the support frame that is arranged on the trigger and slides, the insertion slot that is arranged on the handle and is inserted into the support frame and the limiting component that when the support frame is inserted into the insertion slot and the end and the bottom of the insertion slot abut, the support frame is limited to move on the trigger, when the support frame is inserted into the insertion slot and the limiting component limits the support frame to slide on the trigger, the support frame is supported between the trigger and the handle, and the trigger is limited to rotate to the handle.

[0007] With the above scheme, the limiting component can limit the position of the support frame when the support frame is inserted into the insertion slot of the handle and the end of the support frame abuts against the bottom of the insertion slot, preventing the end of the support frame away from the handle from sliding on the trigger, so that the support frame can be supported between the trigger and the handle. At this time, the trigger cannot be pulled towards the handle, preventing the glue inside the glue barrel placed in the glue cylinder seat from being squeezed out due to accidental touch of the trigger when the glue gun is not in use, thereby reducing the waste of glue.

[0008] Preferably, the limiting component includes a limiting block arranged on the trigger to be lifted and lowered and a limiting slot arranged on the support frame for the limiting block to be partially inserted when the support frame is in the state of being inserted into the insertion slot.

[0009] With the above scheme, the limiting block arranged on the trigger can be inserted into the insertion slot on the support frame when the support frame is inserted into the insertion slot and the end of the support frame abuts against the bottom of the insertion slot. At this time, the support frame cannot slide on the trigger, and the pulling of the trigger towards the handle is limited, thereby preventing the glue inside the glue barrel placed in the glue cylinder seat from being squeezed out due to accidental touch of the trigger when the glue gun is not in use, and reducing the waste of glue.

[0010] Preferably, an installation shaft for connecting the limiting block and the trigger is arranged on the limiting block, and an avoiding slot for avoiding the installation shaft when the limiting block is lifted and lowered is arranged on the limiting block.

[0011] With the above scheme, the installation shaft can connect the limiting block and the trigger, and the avoiding slot arranged on the limiting block can avoid the installation shaft when the limiting block is lifted and lowered, so that the limiting block can be smoothly lifted and lowered.

[0012] Preferably, a guiding component for guiding the lifting and lowering of the limiting block is arranged on both sides of the avoiding slot.

[0013] Preferably, the guiding component includes guiding blocks arranged on both sides of the avoiding slot, and the extending direction of the guiding blocks is the same as the lifting and lowering direction of the limiting block. The distance between the two guiding blocks is equal to the width of the limiting block.

[0014] With the above scheme, the guiding blocks arranged on both sides of the avoiding slot can guide the lifting and lowering of the limiting block, so that the limiting block can be smoothly inserted into the limiting slot on the support frame when it is lowered.

[0015] Preferably, the support frame is U-shaped, and the support frame is hinged to the side walls of the trigger through a hinge shaft. A sliding slot for the hinge shaft to slide therein is arranged on the trigger.

[0016] With the above scheme, the support frame is hinged to the side walls of the trigger through the hinge shaft, so that the support frame can be flipped when it is separated from the insertion slot, thereby providing more avoiding space for the trigger to be pulled towards the handle.

[0017] Preferably, the handle is provided with an anti-back-off component at the end away from the propelling rods for preventing the propelling rods from back-off when the trigger is reset.

[0018] Preferably, the anti-back-off component comprises a stop plate rotatably connected to the handle, the stop plate is provided with a hole through which the two propelling rods pass and the diameter of the hole is greater than that of the propelling rods, and an elastic member is arranged between the stop plate and the handle to drive the axis of the hole on the stop plate to cross the axis of the propelling rods.

[0019] With the above arrangement, the elastic member can drive the axis of the hole on the stop plate to cross the axis of the propelling rods, and the outer wall of the propelling rods will abut against the inner wall of the hole at this time, so that the propelling rods will be subjected to the frictional resistance of the inner wall of the hole when the trigger is reset, thereby reducing the probability of back-off of the propelling rods when the trigger is reset.

[0020] Preferably, the elastic member comprises a spring arranged between the stop plate and the handle and abutting against both of them at two ends, and the handle is provided with a mounting column for mounting the spring.

[0021] With the above arrangement, the mounting column arranged on the handle can be used to mount the spring, and when the spring is mounted between the handle and the mounting column, the spring can drive the axis of the hole on the stop plate to cross the axis of the propelling rods, so that the inner wall of the hole can provide the frictional resistance when the propelling rods back-off.

[0022] The utility model discloses a supporting frame is arranged between the trigger and the handle, and the supporting frame is provided with a limiting component, so that the end of the supporting frame away from the handle can be prevented from slipping on the trigger, and the supporting frame can be supported between the trigger and the handle, and the trigger cannot be pulled towards the handle at this time, the glue in the glue barrel inside the glue cylinder seat arranged in the glue gun can be prevented from being squeezed out due to the accidental touch of the trigger when the glue gun is not used, and the waste of the glue is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a perspective view of a double-rod glue gun in the embodiment;

[0024] Figure 2 is an enlarged view of A in Figure 1

[0025] Figure 3 is a perspective view of the supporting frame when it is separated from the plug-in slot in the embodiment;

[0026] Figure 4 is an enlarged view of B in Figure 3

[0027] Figure 5 ​​is the axonometric view of the support frame disengaging from the insertion slot and the support frame being turned over in the embodiment;

[0028] Figure 6 is Figure 5 is the enlarged view of C in the figure;

[0029] Figure 7 is Figure 5 is the enlarged view of D in the figure;

[0030] Figure 8 is the axonometric view of the stop plate in the embodiment;

[0031] Figure 9 is the axonometric view of the handle in the embodiment.

[0032] The names of the parts referred to by the numbers in the above figures are as follows: 1, handle; 2, trigger; 3, glue cylinder seat; 4, advancing rod; 5, support frame; 6, insertion slot; 7, limiting block; 8, limiting slot; 9, mounting shaft; 10, avoiding slot; 11, guide block; 12, hinging shaft; 13, sliding slot; 14, stop plate; 15, insertion hole; 16, spring; 17, mounting column. DETAILED DESCRIPTION

[0033] The utility model will be described in further detail below in combination with the figures and embodiments.

[0034] EMBODIMENT

[0035] A double-rod glue pressing gun, referring to Figures 1-4 , comprising a handle 1, a trigger 2, a glue cylinder seat 3 and two advancing rods 4 arranged in parallel in the glue cylinder seat 3, a pushing component arranged between the advancing rods 4 and the trigger 2 and used to drive the two advancing rods 4 to advance synchronously when the trigger 2 is cocked, a support structure arranged between the handle 1 and the trigger 2 and used to limit the rotation of the trigger 2 towards the handle 1, the support structure comprising a support frame 5 arranged to slide on the trigger 2, an insertion slot 6 arranged on the handle 1 and used for the support frame 5 to insert, and a limiting component used to limit the movement of the support frame 5 on the trigger 2 when the support frame 5 is inserted into the insertion slot 6 and the end thereof abuts against the bottom of the insertion slot 6, when the support frame 5 is inserted into the insertion slot 6 and the limiting component limits the sliding of the support frame 5 on the trigger 2, the support frame 5 is supported between the trigger 2 and the handle 1, limiting the rotation of the trigger 2 towards the handle 1, the support frame 5 is in the shape of U, and the support frame 5 is hinged to the side walls on both sides of the trigger 2 through a hinging shaft 12, and a sliding slot 13 is arranged on the trigger 2 and used for the hinging shaft 12 to slide therein.

[0036] Referring to Figures 1-6The limiting part comprises a limiting block 7 arranged on the trigger 2 to be lifted and lowered and a limiting slot 8 arranged on the support frame 5 to allow the limiting block 7 to be partially inserted when the support frame 5 is in the state of being inserted into the insertion slot 6; the limiting block 7 is provided with a mounting shaft 9 for connecting the limiting block 7 with the trigger 2; the limiting block 7 is provided with an avoiding slot 10 for avoiding the mounting shaft 9 when the limiting block 7 is lifted and lowered; the avoiding slot 10 is provided with a guide part on both sides for guiding the lifting and lowering of the limiting block 7; the guide part comprises two guide blocks 11 arranged on both sides of the avoiding slot 10 and having the same extending direction as the lifting and lowering direction of the limiting block 7; the distance between the two guide blocks 11 is equal to the width of the limiting block 7.

[0037] Reference Figure 5 , Figures 7-9 The handle 1 is provided with an anti-back-off part at the end away from the advancing rod 4 for preventing the advancing rod 4 from back-off when the trigger 2 is reset; the anti-back-off part comprises a back-off stopping plate 14 rotationally connected with the handle 1; the back-off stopping plate 14 is provided with insertion holes 15 for the two advancing rods 4 to pass through and having a diameter larger than that of the advancing rod 4; an elastic member is arranged between the back-off stopping plate 14 and the handle 1 to drive the axis of the insertion hole 15 on the back-off stopping plate 14 to cross the axis of the advancing rod 4; the elastic member comprises a spring 16 arranged between the back-off stopping plate 14 and the handle 1 and having two ends respectively abutting against the back-off stopping plate 14 and the handle 1; the handle 1 is provided with a mounting column 17 for mounting the spring 16.

[0038] Specific supporting process: when the glue pressing gun needs to be used, first, the limiting block 7 is slid upward to make the limiting block 7 out of the limiting slot 8 on the support frame 5, at this time, the support frame 5 can be gradually out of the insertion slot 6 on the handle 1, and when the support frame 5 is completely separated from the insertion slot 6, the trigger 2 can be pulled towards the handle 1 to squeeze the glue in the glue barrel placed in the glue cylinder seat 3, and at the same time, after the support frame 5 is out of the insertion slot 6, the support frame 5 can be rotated around the hinge shaft 12 as the center to provide more pulling space for the trigger 2; when the glue pressing gun is used, first, the support frame 5 is rotated to be flush with the insertion slot 6, at this time, the bottom of the limiting block 7 abuts against the surface of the support frame 5 and is lifted by the support frame 5, then the support frame 5 is moved towards the insertion slot 6, and when the support frame 5 is inserted into the insertion slot 6 and the end of the support frame 5 abuts against the bottom of the insertion slot 6, at this time, the lifted limiting block 7 is opposite to the limiting slot 8 on the support frame 5, and at this time, the limiting block 7 is inserted into the limiting slot 8 to limit the sliding of the support frame 5, and at this time, the trigger 2 cannot be pulled towards the handle 1.

[0039] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A dual-barrel glue gun, comprising a handle (1), a trigger (2), a glue cartridge holder (3), and two push rods (4) arranged parallel to each other within the glue cartridge holder (3), wherein a pushing component is provided between the push rods (4) and the trigger (2) to drive the two push rods (4) forward synchronously when the trigger (2) is pulled, characterized in that: The support structure is arranged between the handle (1) and the trigger (2) to limit the rotation of the trigger (2) towards the handle (1), and comprises a support frame (5) arranged on the trigger (2) to slide, a plug-in slot (6) arranged on the handle (1) for the support frame (5) to plug in, and a limiting component arranged to limit the movement of the support frame (5) on the trigger (2) when the support frame (5) is plugged into the plug-in slot (6) and the end thereof abuts against the bottom of the plug-in slot (6). When the support frame (5) is plugged into the plug-in slot (6) and the limiting component limits the sliding movement of the support frame (5) on the trigger (2), the support frame (5) is supported between the trigger (2) and the handle (1) to limit the rotation of the trigger (2) towards the handle (1).

2. The dual lever glue gun of claim 1, wherein: The limiting component comprises a limiting block (7) arranged on the trigger (2) to lift and lower, and a limiting slot (8) arranged on the support frame (5) for the limiting block (7) to partially plug in when the support frame (5) is in the state of being plugged into the plug-in slot (6).

3. The dual lever glue gun of claim 2, wherein: An installation shaft (9) is arranged on the limiting block (7) to connect the limiting block (7) and the trigger (2), and an avoiding slot (10) is arranged on the limiting block (7) to avoid the installation shaft (9) when the limiting block (7) is lifted and lowered.

4. The dual lever glue gun of claim 3, wherein: Guide components are arranged on both sides of the avoiding slot (10) to guide the lifting and lowering of the limiting block (7).

5. The dual rod glue gun of claim 4, wherein: The guide components comprise guide blocks (11) arranged on both sides of the avoiding slot (10) in the same direction as the lifting and lowering direction of the limiting block (7), and the distance between the two guide blocks (11) is equal to the width of the limiting block (7).

6. The dual lever glue gun of claim 1, wherein: The support frame (5) is in the shape of a U, and the support frame (5) is hinged to the side walls of the trigger (2) through a hinge shaft (12). A sliding slot (13) is arranged on the trigger (2) for the hinge shaft (12) to slide therein.

7. The dual lever glue gun of claim 1, wherein: A anti-back-off component is arranged on the end of the handle (1) away from the advancing rod (4) to prevent the advancing rod (4) from retracting when the trigger (2) is reset.

8. The dual rod glue gun of claim 7, wherein: The anti-back-off component comprises a stop plate (14) rotatably connected to the handle (1), and a plug hole (15) is arranged on the stop plate (14) for the two advancing rods (4) to pass therethrough and has a diameter larger than that of the advancing rod (4). An elastic member is arranged between the stop plate (14) and the handle (1) to drive the axis of the plug hole (15) on the stop plate (14) to cross the axis of the advancing rod (4).

9. The dual rod glue gun of claim 8, wherein: The elastic member comprises a spring (16) arranged between the stop plate (14) and the handle (1) and abutting against both of them at two ends, and a mounting column (17) is arranged on the handle (1) to mount the spring (16).

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